EP2238062A1 - Method and apparatus for producing cross-wound bobbins - Google Patents
Method and apparatus for producing cross-wound bobbinsInfo
- Publication number
- EP2238062A1 EP2238062A1 EP08871694A EP08871694A EP2238062A1 EP 2238062 A1 EP2238062 A1 EP 2238062A1 EP 08871694 A EP08871694 A EP 08871694A EP 08871694 A EP08871694 A EP 08871694A EP 2238062 A1 EP2238062 A1 EP 2238062A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wound
- cross
- thread
- winding
- bobbin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 10
- 238000004804 winding Methods 0.000 claims abstract description 61
- 239000004753 textile Substances 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 238000009987 spinning Methods 0.000 description 20
- 230000002093 peripheral effect Effects 0.000 description 11
- 238000013178 mathematical model Methods 0.000 description 7
- 235000013351 cheese Nutrition 0.000 description 3
- 239000013598 vector Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007383 open-end spinning Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/38—Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge
- B65H54/381—Preventing ribbon winding in a precision winding apparatus, i.e. with a constant ratio between the rotational speed of the bobbin spindle and the rotational speed of the traversing device driving shaft
- B65H54/383—Preventing ribbon winding in a precision winding apparatus, i.e. with a constant ratio between the rotational speed of the bobbin spindle and the rotational speed of the traversing device driving shaft in a stepped precision winding apparatus, i.e. with a constant wind ratio in each step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Definitions
- the invention relates to a method and an apparatus for producing cross wound packages at a winding station of a textile machine, in which the pitch angle of the wound thread is changed during the winding.
- the device includes a drive for rotating the cross-wound bobbin and at each winding station a variably drivable yarn guide for laying a wound thread in the axial direction of the cheese package under variable pitch angle.
- crossing angle is used instead of the pitch angle.
- the value of the crossing angle is twice the value of the pitch angle.
- DE 103 42 266 A1 From DE 103 42 266 A1 a method and a device of the type mentioned in the prior art.
- the aim of DE 103 42 266 A1 is to produce a cross-wound bobbin with a hard core or a high density in the inner region and a low density in the outer region.
- the thread is wound at the beginning of the coil travel with a small pitch angle and increases the pitch angle during the coil travel continuously or in small steps.
- the cross-wound coil formed according to the method of DE 103 42 266 A1 has a wild winding, since the so-called turns ratio constantly changes during the winding process.
- the turns ratio is defined as the number of turns of the cross-wound bobbin during a double stroke of the thread guide across the width of the cross-wound bobbin.
- a device which prevents the formation of the Syndromewickelzonen.
- the disclosure is no information to be taken.
- the invention has for its object to improve a method and an apparatus for producing cross-wound bobbins.
- the object is achieved in the method in that the pitch angle is selected depending on the coil diameter, and that the coil diameter is calculated based on the length of the already wound thread.
- the object is achieved in that a control for calculating the coil diameter from the length of the already wound thread is provided, which is connected to the drive of the thread guide.
- the invention has the advantage that the coil diameter is known at all times. In the case of the known devices, this could hitherto only be achieved by providing a separate sensor at each winding station which measured the coil diameter. By the present invention, this diameter sensor can be saved at each winding station.
- the fact that the bobbin diameter is always known, can be calculated with the help of the well-known peripheral speed of the cross-wound bobbin, the coil speed and thus also the currently present turns ratio.
- the cross-wound bobbin is driven at its circumference via a winding roller and consequently rotates at a peripheral speed substantially equal to the peripheral speed of the winding roller.
- the thread guide for laying the thread to be wound in the axial direction of the cheese package is provided with a variable speed drive, which is controlled by the controller, so that the speed of the thread guide is known. From this, the turns ratio can be calculated in the controller so that the turns ratio is known at all times when the cross-wound bobbin is produced.
- the known coil diameter allows the targeted winding of the thread always with the optimum pitch angle. It can produce cross-wound bobbins, which are optimally adapted to the subsequent processing steps. For example, good flow properties of the cross-wound bobbin can be achieved by a relatively large pitch angle with a small bobbin diameter and with the bobbin diameter decreasing pitch angle. It can also be targeted cross winding coils with high density, the _
- the winding of the thread with an undesirable turn ratio at which image winding zones occur can be reliably prevented because the turn ratio can be adjusted just before the occurrence of an undesirable value by varying the pitch angle by changing the thread guide speed.
- the invention is particularly suitable for spinning machines in which the yarn is supplied at a known delivery speed, which is usually constant.
- the length of the wound thread can be determined directly from the known delivery speed for the control.
- the peripheral speed of the winding roller In order for the yarn to be wound up with a constant yarn tension at a constant delivery speed, it is necessary for the peripheral speed of the winding roller to be changed in opposite directions during the change in the traversing speed of the yarn guide for changing the pitch angle, so that the resulting winding speed remains constant.
- the coil diameter is known in the control, it can also be provided that the thread tension is optimized in certain diameter ranges of the cross-wound coil. For example, it may be advantageous to wind the thread in the lower diameter range with a slightly higher thread tension in order to improve the stability of the cross-wound bobbin.
- the invention can just as easily be used on winding machines.
- the length of the already wound thread can be calculated on the winder from the winding speed, which results from the addition of the vectors of the peripheral speed and the traversing speed.
- the thread tension can be regulated by a thread brake, so that when changing the traversing speed to change the pitch angle, a simultaneous adjustment of the peripheral speed of the winding roller is not essential.
- the thread speed can be detected, for example, by a non-contact speed sensor arranged in front of the winding station.
- the calculation of the coil diameter based on the length of the already wound thread can be done by a mathematical model is stored in the control of the textile machine or in its own control of the winding unit, which was determined on the basis of preliminary tests.
- the mathematical model can be wound for a given thread with defined thread parameters, such as material, twist and fineness, known crossing angle and thread tension, and starting from the diameter of the sleeve the coil diameter is constantly measured and stored as a function of the length of the wound thread.
- the coil diameter can then be calculated on the basis of the length of the already wound thread at each winding station of the textile machine, without requiring further measurements of the diameter. It may be advantageous that in calculating the coil diameter, the yarn tension and / or the crossing angle with which the thread was wound, is taken into account.
- the accuracy of the mathematical model can be increased if the thread tension and the crossing angle can also be considered as variables.
- a reference measurement of the coil diameter may be carried out at specific time intervals in order to correct the calculated value of the coil diameter.
- the variables used for the calculation of the coil diameter such as the length of the wound thread, are subject to tolerances, so that the calculated coil diameter may deviate from the actual value. These inaccuracies can be compensated by a reference measurement of the coil diameter.
- the actually measured value of the coil diameter can be used as a new starting basis for the further calculations of the coil diameter, so that the tolerance-related errors of the calculated coil diameter are not unduly large.
- a reference measurement of the coil diameter can be carried out by a common sensor for measuring at several winding stations.
- the sensor can be delivered to the winding stations successively and is advantageously arranged on a carriage which can be moved along the textile machine. There is only one sensor necessary for the entire textile machine, so that the construction of the D-70035 Stuttgart PO Box 10 40 36 Tel. (0711) 228110
- Spooling without its own diameter sensor is still very easy. It may also be advantageous to adapt and optimize the mathematical model for the calculation of the coil diameter based on the measured values supplied by the sensor.
- the precision in the construction of the cross-wound bobbin and the conformity with the desired characteristics of the cross-wound bobbin, such as good drainage behavior, can be further improved thereby,
- the sensor can measure the bobbin diameter of the cross-wound bobbin in different and in any way.
- the sensor can be fed directly to, for example, a cross-wound bobbin and contactlessly scan the diameter of the cross-wound bobbin.
- the determination of the coil diameter can also be done indirectly by the sensor is deliverable to a coil frame for receiving a sleeve of the cross-wound bobbin. By mechanical or optical scanning of the position of the creel above the winding roller, the bobbin diameter can be calculated.
- FIG. 1 shows a very schematically illustrated side view of a spinning machine in the region of a winding unit
- FIG. 2 shows a front view of the spinning machine of FIG. 1 with several winding units arranged next to one another
- FIGS. 1 and 2 show a spinning machine shown only partially and very schematically.
- a yarn 2 produced in a spinning unit 1 is withdrawn from the spinning unit 1 by a delivery roller pair 3, 4 and fed to a winding station 5 at a delivery speed Vi and wound there onto a cross-wound bobbin 6.
- the spinning unit 1 can be arbitrary per se and be formed for example by an air spinning device or an open-end spinning device. The production of a thread in such spinning units is known per se and need not be explained in detail.
- the delivery roller 3 of the delivery roller pair 3, 4 is by a D-70035 Stuttgart PO Box 10 40 36 Tel. (0711) 228110
- the thread 2 passes from the pair of delivery rollers 3, 4 via a stationary thread guide 8 and a traversable in the direction of the double arrow B thread guide 9 to the cheese package 6.
- the cross-wound bobbin 6 consists of a sleeve 10 and a cylindrical or conical package 11, by the layer on the sleeve 10 wound yarn 2 is formed.
- the sleeve 10 is freely rotatably held in a coil frame 12 and the cross-wound bobbin 6 lies with its outer peripheral surface on a winding roller 13.
- the creel 12 is pivotally mounted on an axis 14 and, where appropriate, the coil frame 12 may be associated in a manner not shown strain means that enhance the pressure of the cross-wound bobbin 6 to the winding roller 13.
- the winding roller 13 is driven by a drive 15 for rotation.
- the cross-wound bobbin 6 rotates at the peripheral speed V 2 of the winding roller 13. Since the bobbin diameter D of the cross-wound bobbin 6 increases with the amount of the wound yarn 2, the speed of the cross-wound bobbin 6 changes at a given peripheral speed V 2 .
- the yarn guide 9 changing in direction B serves to lay the yarn 2 to be wound up in the axial direction of the cross-wound bobbin while the cross-wound bobbin 6 is driven by the winding roller 13 for rotation.
- the yarn 2 is thereby wound helically with a pitch angle ⁇ on the cross-wound bobbin 6.
- the yarn guide 9 moves at a traversing speed V 3 , by the change of the pitch angle ⁇ is variable.
- the resulting winding speed v 4 is obtained , with which the thread 2 runs onto the cross-wound bobbin 6.
- the yarn guide 9 is shown in the example shown here as attached to a pivot lever 16 eyelet and can be reciprocated over the associated with the pivot lever 16 drive 17 in traversing B axially to the cross-wound bobbin.
- the embodiment of the yarn guide 9 and its drive are merely exemplary and can just as well be designed differently.
- the yarn guide 9 can also be formed by two counter-rotating impellers, which move the yarn in traversing B.
- the drive 17 of the thread guide 9 and the drive 15 of the winding roller 13 are connected to a controller 18.
- the controller 18 controls the drives 15 and 17 so that the _ _
- the controller 18 is also connected to the drive 7 of the delivery roller pair 3, 4. If the controller 18 does not control the drive 7, it receives at least information about the delivery speed V 1 of the delivery roller pair 3, 4.
- the winding speed V 4 At a constant delivery speed V 1 , it is important that the winding speed V 4 also remains substantially constant.
- the winding speed V 4 may differ slightly from the delivery speed V 1 in order to ensure a certain yarn tension of the thread 2.
- the circumferential speed v 2 and the traversing speed V 3 can be controlled so that the pitch angle ⁇ is variable, and the winding speed V 4 remains constant.
- FIG. 3 shows an example in which the pitch angle ⁇ is to be increased to a larger pitch angle ⁇ '.
- the peripheral speed V 2 is reduced to the value v ' 2 and the traversing speed v 3 is increased to the value v' 3 .
- the pitch angle ⁇ is selected as a function of the coil diameter D in order to produce a cross-wound bobbin 6 with defined properties.
- the bobbin diameter D is calculated on the basis of the length of the already wound thread 2.
- a mathematical model is deposited, with which the coil diameter D can be calculated based on the length of the already wound yarn 2.
- a common sensor 19 for measuring the coil diameter D at a plurality of winding units 5 is provided.
- a plurality of spinning units 1 and the associated winding units 5 are arranged side by side in the spinning machine on a spinning machine.
- Conventional spinning machines contain several hundred spinning units 1 side by side, which each generate a thread 2 at the same time.
- a movable in the longitudinal direction of the spinning machine 20 is arranged, the individual winding units 5 and the spinning units 1 is deliverable.
- the carriage 20 may be, for example, a service trolley, which serves to remedy yarn breaks in the spinning unit 1 and / or to replace a full cross-wound bobbin 6 against an empty sleeve 10.
- the sensor 19 On the carriage 20, the sensor 19 is arranged.
- the sensor 19 measures the bobbin diameter D of the cross-wound bobbin 6 at that winding station 5 at which the carriage 20 just passes.
- the sensor 19 may, for example, as shown by the dashed arrow 21st D-70035 Stuttgart PO Box 10 40 36 Tel. (0711) 2281 10
- the senor 19 determines the bobbin diameter D when the carriage 20 stops at a spinning unit in order to fix a thread break there.
- the senor 19 scans the position of the coil frame 12, as indicated by the dashed arrow 22.
- the scanning of the position of the coil frame 12 is an indirect measure of the coil diameter D.
- control measurement of the coil diameter D by the sensor 19 can be corrected in the controller 18 calculated value of the coil diameter D.
- the diameter value determined during the reference measurement can be used as the basis for further calculation of the coil diameter at this winding station, so that the calculated value is much more accurate.
- the mathematical model stored in the controller 18 for calculating the coil diameter D is improved and optimized by each measured coil diameter D. As a result, the accuracy of the diameter calculation at all winding units 5 can be improved.
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Textile Engineering (AREA)
- Winding Filamentary Materials (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008008083A DE102008008083A1 (en) | 2008-01-28 | 2008-01-28 | Method and apparatus for making cross-wound packages |
PCT/EP2008/008796 WO2009095043A1 (en) | 2008-01-28 | 2008-10-17 | Method and apparatus for producing cross-wound bobbins |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2238062A1 true EP2238062A1 (en) | 2010-10-13 |
EP2238062B1 EP2238062B1 (en) | 2016-05-11 |
Family
ID=40257916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08871694.9A Active EP2238062B1 (en) | 2008-01-28 | 2008-10-17 | Method and apparatus for producing cross-wound bobbins |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100301155A1 (en) |
EP (1) | EP2238062B1 (en) |
JP (1) | JP5128679B2 (en) |
CN (1) | CN101970325B (en) |
DE (1) | DE102008008083A1 (en) |
WO (1) | WO2009095043A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ306287B6 (en) * | 2015-04-07 | 2016-11-16 | Rieter Cz S.R.O. | Method of terminating spinning on rotor spinning machine workstation |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014075072A1 (en) | 2012-11-12 | 2014-05-15 | Gonzalez Juan Alberto Galindo | Wire and cable package |
DE102012023559A1 (en) * | 2012-12-01 | 2014-06-05 | Saurer Germany Gmbh & Co. Kg | Process for the production of a cross-wound dyeing coil |
CN106829627B (en) * | 2017-01-26 | 2022-09-09 | 无锡鑫达为纺织机械有限公司 | Mechanical anti-overlapping device of grooved drum type winding machine |
JP2019137480A (en) * | 2018-02-07 | 2019-08-22 | 村田機械株式会社 | Yarn winder and yarn winding method |
CN111472159B (en) * | 2020-05-09 | 2021-09-03 | 苏州基列德智能制造有限公司 | Fixed-length detection method and system for textile equipment and storage medium |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4771961A (en) | 1986-06-03 | 1988-09-20 | Teijin Seiki Company Limited | Yarn traverse apparatus |
JPH06329335A (en) | 1993-05-21 | 1994-11-29 | Murata Mach Ltd | Winding method |
DE112004000484B4 (en) | 2003-03-28 | 2008-06-12 | Murata Kikai K.K. | Method and device for winding up yarn |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3718288A (en) * | 1971-03-31 | 1973-02-27 | Du Pont | Yarn package |
JPS62249864A (en) * | 1986-04-21 | 1987-10-30 | Kyoei Seigyo Kiki Kk | Winding diameter detecting device |
US4928475A (en) * | 1988-08-25 | 1990-05-29 | Murata Kikai Kabushiki Kaisha | Fixed length winding method in a two-for-one twister |
IT1227912B (en) * | 1988-12-23 | 1991-05-14 | Savio Spa | PROCEDURE AND APPARATUS TO DRIVE THE DISTRIBUTION OF THE WIRE ON THE PACKAGE IN FORMATION IN A COLLECTION GROUP FOR SYNTHETIC WIRES |
DE3920374A1 (en) * | 1989-06-22 | 1991-01-03 | Schlafhorst & Co W | Cross wound bobbin winding - uses yarn tension and processor to maintain constant winding within bobbin dia. steps |
DE4024218A1 (en) * | 1990-07-31 | 1992-02-06 | Schlafhorst & Co W | Cross wound bobbin winding - uses selected opening and final valves for yarn crossing angle and winding ratio from initial wound layer to last layer |
DE4112768A1 (en) * | 1991-04-19 | 1992-10-22 | Hacoba Textilmaschinen | Computer control for precision winding of cheese packages - using parameters which depend only on bare tube dia. |
DE4235450A1 (en) * | 1991-11-05 | 1993-05-06 | Rieter Ingolstadt Spinnereimaschinenbau Ag, 8070 Ingolstadt, De | METHOD AND DEVICE FOR DETERMINING THE DIAMETER OF A REEL AT A SPINNING SITE OF A SPINNING MACHINE |
JPH07125916A (en) * | 1993-11-09 | 1995-05-16 | Murata Mach Ltd | Traverse control method for winder |
DE19625511A1 (en) | 1996-06-26 | 1998-01-02 | Schlafhorst & Co W | Method and device for producing cross-wound bobbins in a wild winding |
DE19961982A1 (en) | 1999-12-22 | 2001-07-05 | Schlafhorst & Co W | Process for winding cross-wound bobbins |
DE10033015B4 (en) * | 2000-04-20 | 2011-01-13 | Oerlikon Textile Gmbh & Co. Kg | Method for producing a cross-wound bobbin and cross-wound bobbin |
DE50208951D1 (en) * | 2001-04-18 | 2007-01-25 | Rieter Ag Maschf | METHOD FOR OPERATING A THREAD-APPLYING MACHINE AND SPOOLING DEVICE THEREFOR |
FR2829478B1 (en) * | 2001-09-12 | 2004-01-02 | Superba Sa | METHOD AND DEVICE FOR DRIVING A SYNCHRONOUS SPOOL |
DE10162777A1 (en) * | 2001-12-20 | 2003-07-03 | Schlafhorst & Co W | Cylindrical cheese and method for forming the winding body of a cylindrical cheese |
DE10206761A1 (en) * | 2002-02-19 | 2003-08-28 | Rieter Ingolstadt Spinnerei | Textile yarn spooling assembly, has spool diameter signaling device linked by geared levers to control assembly |
DE10209851A1 (en) * | 2002-03-06 | 2003-09-18 | Rieter Ingolstadt Spinnerei | Method and device for winding a thread on a cross winding device |
DE10342266B4 (en) | 2002-09-25 | 2016-02-04 | Saurer Germany Gmbh & Co. Kg | Method for producing a cross-wound bobbin |
AT502782B1 (en) * | 2003-05-19 | 2008-07-15 | Starlinger & Co Gmbh | BANDAUFWICKELVERFAHREN |
DE102004010824A1 (en) * | 2004-02-27 | 2005-09-15 | Wilhelm Stahlecker Gmbh | Cross-wound bobbin and method of manufacture |
DE102005054356A1 (en) | 2005-11-15 | 2007-05-16 | Saurer Gmbh & Co Kg | Method for avoiding image windings |
JP2007161449A (en) * | 2005-12-15 | 2007-06-28 | Murata Mach Ltd | Yarn winder and yarn winding method |
JP2007204191A (en) * | 2006-01-31 | 2007-08-16 | Murata Mach Ltd | Yarn take-up device |
-
2008
- 2008-01-28 DE DE102008008083A patent/DE102008008083A1/en not_active Withdrawn
- 2008-10-17 WO PCT/EP2008/008796 patent/WO2009095043A1/en active Application Filing
- 2008-10-17 US US12/735,533 patent/US20100301155A1/en not_active Abandoned
- 2008-10-17 CN CN2008801257754A patent/CN101970325B/en active Active
- 2008-10-17 JP JP2010543381A patent/JP5128679B2/en not_active Expired - Fee Related
- 2008-10-17 EP EP08871694.9A patent/EP2238062B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4771961A (en) | 1986-06-03 | 1988-09-20 | Teijin Seiki Company Limited | Yarn traverse apparatus |
JPH06329335A (en) | 1993-05-21 | 1994-11-29 | Murata Mach Ltd | Winding method |
DE112004000484B4 (en) | 2003-03-28 | 2008-06-12 | Murata Kikai K.K. | Method and device for winding up yarn |
Non-Patent Citations (1)
Title |
---|
See also references of WO2009095043A1 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ306287B6 (en) * | 2015-04-07 | 2016-11-16 | Rieter Cz S.R.O. | Method of terminating spinning on rotor spinning machine workstation |
Also Published As
Publication number | Publication date |
---|---|
JP5128679B2 (en) | 2013-01-23 |
JP2011510884A (en) | 2011-04-07 |
DE102008008083A1 (en) | 2009-07-30 |
US20100301155A1 (en) | 2010-12-02 |
WO2009095043A1 (en) | 2009-08-06 |
EP2238062B1 (en) | 2016-05-11 |
CN101970325A (en) | 2011-02-09 |
CN101970325B (en) | 2013-04-03 |
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